This document is the user manual for ATEN KL1116 LCD KVM Switch. It includes the FCC certification information, RoHS compliance information, and information related to the Chinese market. It also provides information on online registration and telephone support, as well as user precautions. The product is FCC certified and meets the requirements of A-level electronic devices. It is designed for commercial environments to avoid harmful interference and provide effective protection. The device may generate and radiate electromagnetic waves, so it is important for users to follow the instructions in the manual for installation and use to prevent harmful interference and take responsibility for any issues that may arise from using the device in residential areas.